>> reporter: the response in the room here at romney headquarters in boston is they are hearing word from the romney camp, the romney camp is not conceding ohio to barack obama. so they are clinging to the hope, contrary to all the projections and the calls by the other major networks, they're holding out saying if ohio is not in obama's column, barack obama has not yet been re-elected president of the united states. i have to tell you, though, that just happened within the last minute or so. but when all the projections came in and when the calls initially came in about 10 or 15 minutes ago, this room was stunned. that, number one, that it seemed that president obama closed so quickly in getting over the 270 electoral votes, but in the last minute or two, the buzz here in the room and words from senior campaign advisers including karl rove, that the romney campaign is not yet conceding ohio. that's what the hope is being hung on to here at romney headquarters here in boston. >> can they contest this? >> absolutely. and this -- i think this is big news what hampton pearson is reporti